%0 Journal Article %A Diego Mejia %A David Minda %T Hyperbolic geometry in hyperbolically k-convex regions %J Revista colombiana de matematicas %D 1991 %P 123-142 %V 25 %N 1-4 %I mathdoc %U http://geodesic.mathdoc.fr/item/RCM_1991__25_1-4_181851/ %F RCM_1991__25_1-4_181851